html,
body,
#app,
.el-container {
    font-family: 'microsoftYaHei', Avenir, Helvetica, Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* text-align: center; */
    color: #2c3e50;
    background-color: #99b4ce;
    /*设置内部填充为0，几个布局元素之间没有间距*/
    padding: 0px;
    /*外部间距也是如此设置*/
    margin: 0px;
    /*统一设置高度为100%*/
    height: 100%;
    overflow: hidden;
}